11554510105 has 8 divisors (see below), whose sum is σ = 14681024712. Its totient is φ = 8699866368.

The previous prime is 11554510103. The next prime is 11554510129. The reversal of 11554510105 is 50101545511.

11554510105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 483472144 + 11071037961 = 21988^2 + 105219^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11554510105 - 2¹ = 11554510103 is a prime.

It is a super-2 number, since 2×11554510105² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11554510103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67967622 + ... + 67967791.

It is an arithmetic number, because the mean of its divisors is an integer number (1835128089).

Almost surely, 2^11554510105 is an apocalyptic number.

It is an amenable number.

11554510105 is a deficient number, since it is larger than the sum of its proper divisors (3126514607).

11554510105 is a wasteful number, since it uses less digits than its factorization.

11554510105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135935435.

The product of its (nonzero) digits is 2500, while the sum is 28.

The spelling of 11554510105 in words is "eleven billion, five hundred fifty-four million, five hundred ten thousand, one hundred five".